Tuesday, March 20, 2012

1111.5552 (Oleg Safronov)

Absolutely continuous spectrum of a typical Schrödinger operator with
a slowly decaying potential

Oleg Safronov
We consider a family of multi-dimensional Schr\"odinger operators $-\Delta+t V$ with a real $t$. The potential $V$ in our model decays at infinity in a special way, so that it satisfies a certain integral condition. We prove that the absolutely continuous spectrum of this operator covers the interval $[0,\infty)$ for almost every $t$.
View original: http://arxiv.org/abs/1111.5552

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